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September weather forecast in De-Kastry

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

30 days Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

31 August, sun

	743 mmHg		83%
	5.2 m/s		+17

31 August, Sunday. day, 19°; night, 12°; rain

1 September, mon

	743 mmHg		83%
	5 m/s		+17

1 September, Monday. day, 18°; night, 12°; partly cloudy

2 September, tue

	744 mmHg		85%
	4.8 m/s		+17

2 September, Tuesday. day, 18°; night, 12°; rain

3 September, wed

	744 mmHg		83%
	4.9 m/s		+17

3 September, Wednesday. day, 18°; night, 11°; overcast

4 September, thu

	744 mmHg		83%
	5 m/s		+17

4 September, Thursday. day, 19°; night, 12°; overcast

5 September, fri

	743 mmHg		85%
	4.9 m/s		+17

5 September, Friday. day, 18°; night, 12°; rain

6 September, sat

	743 mmHg		84%
	4.9 m/s		+16

6 September, Saturday. day, 18°; night, 12°; partly cloudy

7 September, sun

	743 mmHg		83%
	4.9 m/s		+16

7 September, Sunday. day, 18°; night, 11°; rain

8 September, mon

	743 mmHg		80%
	5.6 m/s		+16

8 September, Monday. day, 18°; night, 11°; partly cloudy

9 September, tue

	744 mmHg		80%
	5.7 m/s		+16

9 September, Tuesday. day, 17°; night, 10°; rain

10 September, wed

	744 mmHg		79%
	5.3 m/s		+16

10 September, Wednesday. day, 17°; night, 11°; rain

11 September, thu

	744 mmHg		79%
	5.3 m/s		+16

11 September, Thursday. day, 17°; night, 10°; clear

12 September, fri

	744 mmHg		77%
	5.1 m/s		+16

12 September, Friday. day, 17°; night, 9°; rain

13 September, sat

	745 mmHg		80%
	4.9 m/s		+16

13 September, Saturday. day, 17°; night, 9°; clear

14 September, sun

	745 mmHg		80%
	4.6 m/s		+16

14 September, Sunday. day, 17°; night, 9°; clear

15 September, mon

	745 mmHg		77%
	5.1 m/s		+16

15 September, Monday. day, 17°; night, 9°; clear

16 September, tue

	745 mmHg		78%
	4.8 m/s		+15

16 September, Tuesday. day, 16°; night, 9°; partly cloudy

17 September, wed

	745 mmHg		79%
	4.5 m/s		+15

17 September, Wednesday. day, 16°; night, 8°; partly cloudy

18 September, thu

	743 mmHg		81%
	5.5 m/s		+15

18 September, Thursday. day, 15°; night, 9°; rain

19 September, fri

	742 mmHg		79%
	6 m/s		+15

19 September, Friday. day, 14°; night, 8°; rain

20 September, sat

	743 mmHg		76%
	6 m/s		+15

20 September, Saturday. day, 14°; night, 7°; rain

21 September, sun

	745 mmHg		74%
	5.9 m/s		+14

21 September, Sunday. day, 14°; night, 6°; clear

22 September, mon

	747 mmHg		76%
	4.69 m/s		+14

22 September, Monday. day, 14°; night, 7°; clear

23 September, tue

	746 mmHg		81%
	5 m/s		+14

23 September, Tuesday. day, 15°; night, 7°; partly cloudy

24 September, wed

	746 mmHg		78%
	4.69 m/s		+14

24 September, Wednesday. day, 14°; night, 7°; clear

25 September, thu

	747 mmHg		78%
	5.1 m/s		+14

25 September, Thursday. day, 14°; night, 7°; partly cloudy

26 September, fri

	747 mmHg		79%
	5.2 m/s		+14

26 September, Friday. day, 14°; night, 7°; clear

27 September, sat

	745 mmHg		81%
	5.3 m/s		+13

27 September, Saturday. day, 13°; night, 7°; partly cloudy

28 September, sun

	744 mmHg		79%
	5.4 m/s		+13

28 September, Sunday. day, 14°; night, 6°; rain

29 September, mon

	744 mmHg		77%
	5.3 m/s		+13

29 September, Monday. day, 13°; night, 6°; rain

30 September, tue

	745 mmHg		79%
	5.1 m/s		+13

30 September, Tuesday. day, 12°; night, 5°; rain

1 October, wed

	744 mmHg		77%
	5.5 m/s		+13

1 October, Wednesday. day, 12°; night, 5°; partly cloudy

2 October, thu

	743 mmHg		76%
	5.8 m/s		+12

2 October, Thursday. day, 11°; night, 4°; rain

3 October, fri

	744 mmHg		75%
	5.7 m/s		+12

3 October, Friday. day, 10°; night, 4°; rain

4 October, sat

	745 mmHg		71%
	5.4 m/s		+12

4 October, Saturday. day, 10°; night, 4°; clear

Average data for 10 years

De-Kastry September

8

sunny days

12

days with precipitation

7

cloudy days

8 sunny days; 12 days with precipitation; 7 cloudy days;

80

%

air humidity

3.4

m/s

WindSW

85

mm of precipitation

(12% of annual average)

+15

°C

Water temperature

air humidity 80%; 85 millimeters of precipitation (12% of annual average); Wind south-westerly 3.4 Meters per second; Water temperature +15°

Weather graphs for September

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

SW

S

S

S

S

S

S

SW

SW

SW

SW

SW

SW

SW

S

S

SW

W

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

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26

27

28

29

30

Daytime temperature

Night-time temperature

Cities near you

Komsomolsk-at-Amur
Nogliki
Sovetskaya Gavan
Ukhta
Okha
Nikolaevsk-na-Amure
Kenay
Vanino
Shakhtyorsk

Cities with similar weather in September

Saint Petersburg
Novosibirsk
Pskov
Cheboksary
Ulyanovsk
Petrozavodsk
Veliky Novgorod
Helsinki
Riga

The weather forecast for September 2025 is based on historical data from the past 10 years.

In September, the weather in De-Kastry is typically warm. Average daily high temperature in September is about 16 degrees above zero. On average, De-Kastry has 12 rainy, 8 sunny, 8 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.

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